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PNST 499-2020
Nanotechnologies. Сarbon nanotubes. Determination of chemical element impurities by inductively coupled plasma mass spectrometry method
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€10
GOST 19176-85
Control systems of ship`s equipment. Terms and definitions
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€10
GOST R 52770-2023
Medical devices. Biological impact evaluation system. General requirements for safety
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€25